I hope + 丛句,丛句用什么时态I hope Lily will come to see me before she______?A.leave B.left C.leaves D.will leave.为什么不是D,请详细说明理由?

问题描述:

I hope + 丛句,丛句用什么时态
I hope Lily will come to see me before she______?
A.leave B.left C.leaves D.will leave.
为什么不是D,请详细说明理由?